Comment by Bender

The real OTR [1] is not a chat client. It is a library in serious need of updating that clients could implement in their assorted chat clients to perform E2EE. Calling an IRC client OTRv4 will confuse a lot of people as they will think this is the next version of OTR which it is not.

[1] - https://otr.cypherpunks.ca/